Automatic sliding door



FIG. 1 is a rear elevational view of the automatic sliding door showing my new design, the broken lines showing the portal of a building are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view showing the two central doors in a partial open position; and,

FIG. 8 is a top plan view of the automatic sliding door installed into the portal of a building. 

The ornamental design for an automatic sliding door, as shown and described. 